Answers

Add 56/63 and 42/54

56/63 + 42/54 is 5/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 63 × 6 = 378,
   56/63 = 56 × 6/63 × 6 = 336/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   42/54 = 42 × 7/54 × 7 = 294/378
4. Add the two like fractions:
   336/378 + 294/378 = 336 + 294/378 = 630/378
5. 630/378 simplified gives 5/3
6. So, 56/63 + 42/54 = 5/3
   In mixed form: 12/3

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